DELTA 4 R/B, 38071
Orbit data source: Space-Track
DELTA 4 R/B, 38071 is space debris in HEO originally from a launch on Fri, 20 Jan 2012 UTC launched from the Air Force Eastern Test Range (AFETR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
38071 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
USRelated business
Manufacturer
ULA Decatur
Mission
Spacecraft
Bus & Motor
DCSS-5, RL10B-2
Mass
3,450 kg wet, 3,450 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + 1 Nozzle, 6.8 m
Radar Cross Section
64.942 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 DELTA 4 R/B
1 38071U 12003B 26173.87595123 .00001454 00000-0 38873-2 0 9999
2 38071 21.4302 94.6825 8240070 338.2812 1.3008 1.17618542 61032Epoch: 2026-06-22T21:01Z
TLE epoch observation values (Epoch: 2026-06-22T21:01:22.186Z)
Latitude
-0.00484°
Longitude
-131.84947°
Altitude
467.096 km
Speed
10.292 km/s
True Right ascension
06h 18m 11s
True Declination
0° 00' 17"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
17:03:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
62,778.936 km
Perigee altitude
294.623 km
Semi-major axis
37,914.917 km
Eccentricity
0.82401
Inclination
21.4302°
RAAN
94.6825°
Arg. of periapsis
338.2812°
True anomaly
23.20669°
Mean anomaly
1.3008°
Eccentric anomaly
7.29885°
Mean motion
0.29399 °/min
Orbital period
1,224.54 mins
BSTAR
0.0038873
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #3 in the year 2012 (2012-01-20 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.DELTA 4 R/B Visibility forecast
Loading observer location...
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 218 mins | 2026-06-25 05:49:59.691Z | 152.423° SSE | 2026-06-25 06:14:59.691Z | 158.577° S | 33.595° | 2026-06-25 09:27:59.691Z | 166.472° S |
| 111 mins | 2026-06-26 02:54:59.691Z | 107.817° ESE | 2026-06-26 03:57:59.691Z | 116.316° SE | 12.454° | 2026-06-26 04:45:59.691Z | 121.395° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|